Timeline-
Chapter 8- Eighth commandment changed to "...kill another without reason", "Death to humanity!" changed to "Death to Fredrick!" and later changed to "Death to Pilkington!", new windmill named Napoleon mill, humans attack again at the Battle of the Windmill- Squealer claims it to be a victory, but the windmill is destroyed, pigs drink alcohol, Napoleon thinks he is going to die, the commandment is changed to "no animal will drink alcohol to excess", Squealer found changing a commandment.
Chapter 9- Pigs Drink more whisky, Rations are cut, Boxer gets sick, goes to the "VET" (horse slaughterer/ glue factory) and is never seen again, Moses comes back.
Chapter 10- Years pass, only Clover, Benjamin, and Moses (Not including the pigs) are still alive, forgot about retirement, Pigs walk on hind legs and carried whips, commandments are changed to "all animals are equal... some are more equal...", Clover can't tell the difference between pigs and people when looking in at the pigs and humans playing poker.
Chapter 8- Eighth commandment changed to "...kill another without reason", "Death to humanity!" changed to "Death to Fredrick!" and later changed to "Death to Pilkington!", new windmill named Napoleon mill, humans attack again at the Battle of the Windmill- Squealer claims it to be a victory, but the windmill is destroyed, pigs drink alcohol, Napoleon thinks he is going to die, the commandment is changed to "no animal will drink alcohol to excess", Squealer found changing a commandment.
Chapter 9- Pigs Drink more whisky, Rations are cut, Boxer gets sick, goes to the "VET" (horse slaughterer/ glue factory) and is never seen again, Moses comes back.
Chapter 10- Years pass, only Clover, Benjamin, and Moses (Not including the pigs) are still alive, forgot about retirement, Pigs walk on hind legs and carried whips, commandments are changed to "all animals are equal... some are more equal...", Clover can't tell the difference between pigs and people when looking in at the pigs and humans playing poker.